I am using spring security along with java config
@Override protected void configure(HttpSecurity http) throws Exception { http .authorizeRequests() .antMatchers("/api/*").hasRole("ADMIN") .and() .addFilterAfter(new CsrfTokenResponseHeaderBindingFilter(), CsrfFilter.class) .exceptionHandling() .authenticationEntryPoint(restAuthenticationEntryPoint) .and() .formLogin() .successHandler(authenticationSuccessHandler) .failureHandler(new SimpleUrlAuthenticationFailureHandler());
I am using PostMan for testing my REST services. I get 'csrf token' successfully and I am able to login by using X-CSRF-TOKEN
in request header. But after login when i hit post request(I am including same token in request header that i used for login post request) I get the following error message:
HTTP Status 403 - Could not verify the provided CSRF token because your session was not found.
Can any one guide me what I am doing wrong.
CSRF (Cross Site Request Forgery) is a technique in which an attacker attempts to trick you into performing an action using an existing session of a different website. Spring Security when combined with Thymeleaf templates, automatically inserts a token into all web forms as a hidden field.
But till now in all our examples we had disabled CSRF. CSRF stands for Cross-Site Request Forgery. It is an attack that forces an end user to execute unwanted actions on a web application in which they are currently authenticated.
According to spring.io:
When should you use CSRF protection? Our recommendation is to use CSRF protection for any request that could be processed by a browser by normal users. If you are only creating a service that is used by non-browser clients, you will likely want to disable CSRF protection.
So to disable it:
@Configuration public class RestSecurityConfig extends WebSecurityConfigurerAdapter { @Override protected void configure(HttpSecurity http) throws Exception { http.csrf().disable(); } }
Note: CSRF protection is enabled by default with Java Configuration
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